.sy-header-nav {
    position: relative;
    height: 100%;
    width: 100%;
    box-sizing: border-box;
}

.sy-header-nav-title {
    color: #fff;
    text-shadow: 3px 2px 2px rgba(26, 80, 154, .6);
}

.sy-header-nav-left {
    float: left;
    height: 100%;
    line-height: 60px;
    min-width: 250px;
    text-align: left;
    box-sizing: border-box;
    padding: 0 20px;
}

.sy-header-nav-left>img {
    height: 40px;
    width: 40px;
    background-color: #fff;
    vertical-align: middle;
    display: inline-block;
    border-radius: 50%;
    position: relative;
    top: -4px;
}

.sy-header-nav-left span {
    font-size: 22px;
    padding-left: 10px;
}

.sy-header-nav-center {
    float: left;
    height: 100%;
    /* overflow: hidden; */
    width: auto;
    position: relative;
    box-sizing: border-box;
    text-align: right;
}

.sy-header-nav .sy-header-nav-right {
    float: right;
    right: 0;
    height: 100%;
    min-width: 250px;
    padding: 0 20px;
    box-sizing: border-box;
    text-align: right;
}

.sy-header-nav .sy-header-nav-right img {
    vertical-align: top;
    height: 60px;
}

.sy-header-nav .sy-header-nav-right>span {
    display: inline-block;
    cursor: pointer;
    color: #fff;
    padding-top: 5px;
    padding-left: 10px;
}

.sy-header-nav .sy-header-nav-right span>i {
    font-size: 16px;
    color: #fff;
}